I need help please!!

What are two differences between protons and electrons? Question 8 (1 point) Listen Helium and Neon are in the same group on the periodic table, this means that they share (select all that apply): O the same column the same number of electron orbitals the same number of valence electron chemical properties the same row the same atomic mass Question 9 (1 point) =) Listen Helium and Flourine are in the same period on the periodic table, this means that they share (select all that apply): the same column the same number of electron orbitals the same number of valence electron chemical properties the same row the same atomic mass